Finding the Fourth Proportional to 197,201.64, 295,589.28 and 78,742.80
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Solution
The fourth proportional to 197,201.64, 295,589.28 and 78,742.80 is: 118,029.08
Step by Step Solution
- Step 1: Write the proportion equation
197,201.64 : 295,589.28 = 78,742.80 : x - Step 2: Convert to fraction form
197,201.64/295,589.28 = 78,742.80/x - Step 3: Cross multiply
197,201.64x = 295,589.28 × 78,742.80 - Step 4: Simplify right side
197,201.64x = 23,275,527,557.18 - Step 5: Solve for x
x = 23,275,527,557.18/197,201.64 - Step 6: Final answer
x = 118,029.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.